LoPro 900GPH Bilge Pump Non-Automatic. The Rule LoPro 900 non-automatic is a low profile Bilge Pump with a 900 gallons per hour capacity. Designed for tight spaces, the height of the pump is only 2-1/4 . It features a threaded discharge nozzle to which you can attach either a straight or a 90 degrees fitting included . In addition, you may use the tricuspid check valve {included} on the straight fitting to minimize the back flow of water. The entire discharge body swivels up to 180 degrees for ease of installation. The hose attached can also swivel 360 degrees to route the hose perfectly. Features 900 GPH Low Profile Bilge Pump. Fits into hard to reach places. Non-automatic, requires float and or panel switch to automate. Threaded discharge ports with mulitiple fittings available. Features a tricuspid check valve to minimize back flow of water The Rule LoPro 900 non-automatic is a low profile Bilge Pump with a 900 gallons per hour capacity. D Fits into hard to reach places. Non-automatic, requires float and or panel switch to automate